4166361639 has 48 divisors (see below), whose sum is σ = 6650542080. Its totient is φ = 2492406720.

The previous prime is 4166361637. The next prime is 4166361673. The reversal of 4166361639 is 9361636614.

4166361639 is a `hidden beast` number, since 4 + 1 + 6 + 6 + 3 + 6 + 1 + 639 = 666.

4166361639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4166361639 - 2¹ = 4166361637 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4166361594 and 4166361603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4166361637) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4883937 + ... + 4884789.

It is an arithmetic number, because the mean of its divisors is an integer number (138552960).

Almost surely, 2^4166361639 is an apocalyptic number.

4166361639 is a deficient number, since it is larger than the sum of its proper divisors (2484180441).

4166361639 is a wasteful number, since it uses less digits than its factorization.

4166361639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452 (or 1449 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 4166361639 is about 64547.3596594005. The cubic root of 4166361639 is about 1609.1097065879.

The spelling of 4166361639 in words is "four billion, one hundred sixty-six million, three hundred sixty-one thousand, six hundred thirty-nine".